Remo Duplicate File Remover - Remo Duplicate File Remover is a simple yet powerful duplicate file remover app that lets you easily search and remove duplicate files on your Android mobile and tablet.
CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
Android Cleaner - Android Cleaner – Phone Booster and Memory Optimizer is a powerful and effective app to optimize your device’s performance.
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.
Files by Google - A file management app that helps you free up space, find files faster, share files offline, and back up files to the cloud.
AVG PC TuneUp - Peak performance for your PC. Keeps it going for longer. - More Speed Turbo Mode